ROOT n.
inute tubes. Gray. -- Root leaf (Bot.), a radical leaf. See Radical, a., 3 (b). -- Root louse (Zoöl.), any plant louse, or aphid, which lives on the roots of plants, as the Phylloxera of the grapevine. See Phylloxera. -- Root of an equation (Alg.), that value which, substituted for the unknown quantity in an equatio…
VINE n.
enera, whose larvæ feed on the leaves of the grapevine. -- Vine fretter (Zoöl.), a plant louse, esp. the phylloxera that injuries the grapevine. -- Vine grub (Zoöl.), any one of numerous species of insect larvæ that are injurious to the grapevine. -- Vine hopper (Zoöl.), any one of several species of leaf hoppers wh…
WHALE n.
Simmonds. -- Whale fishery, the fishing for, or occupation of taking, whales. -- Whale louse (Zoöl.), any one of several species of degraded amphipod crustaceans belonging to the genus Cyamus, especially C. ceti. They are parasitic on various cetaceans. -- Whale's bone, ivory. [Obs.] -- Whale shark. (Zoöl.) (a) The…
WOOD n. 2 definitions
n (Zoöl.), the drill. -- Wood betony. (Bot.) (a) Same as Betony. (b) The common American lousewort (Pedicularis Canadensis), a low perennial herb with yellowish or purplish flowers. -- Wood borer. (Zoöl.) (a) The larva of any one of numerous species of boring beetles, esp. elaters, longicorn beetles, buprestidans, an…
WOOLLY a.
Australian tree (Eucalyptus longifolia), so named because of its fibrous bark. -- Woolly louse (Zoöl.), a plant louse (Schizoneura, or Erisoma, lanigera) which is often very injurious to the apple tree. It is covered with a dense coat of white filaments somewhat resembling fine wool or cotton. In exists in two forms,…